Question
A car has to cover a distance of 240 km in 30 hours. If
it covers half of the journey in 3/5 th of the time, the speed to cover the remaining distance in the time left has to be:Solution
Total Distance = 240km Total Time = 30 hours He covers half of the Journey in 3/5th of the time = 30 × 3/5 = 18 hours Now remaining Distance = 240 – 120 = 120km Remaining time = 12 hours Speed to cover the distance of 120 km will be = 120/12 = 10km/hr
Two numbers are respectively 30% and 50% more than a third number. First number is approximately how much percent less than the second number?
In an examination the percentage of students qualified with respect to the number of students appeared from school A is 75%. The number of students appe...
Four friends, A, B, C, and D, went out for lunch. A paid 40% of the total bill. From the remaining amount, B paid 40%. Of what was left, C paid 50%. D p...
- Anil's profits fell from Rs. 60,500 to Rs. 49,210. Find the percent reduction in his profits.
The price of a car increased by 5% while its sales decreased by 16%. What is the percentage change in the total revenue?
Out of 650 students in school, 20% students like samosa only and 30% students like samosa and momos both. If 40% students don’t like any snacks then f...
A gave 40% of amount to B. B gave 30% of amount received from A to C. If amount received by C from B is Rs.144, then find the amount received by B from A.
- An individual's monthly income was Rs. 27500 and his monthly expenses were Rs. 20000. In the following year, the income rose by 9% and expenses increased b...
The marks scored by a boy in three subjects are in the ratio 3 : 4 : 5. Boy scored an overall aggregate of 60% in the exam. If the maximum marks in each...
In an election, two candidates participated. 20% voters did not cast their votes, out of which 600 votes declared invalid and the winner get 75% of the ...